Plocezyga percostata (FOSSIL) Knight, 1930 †
Plocezyga perminuta (FOSSIL) Hoare & Sturgeon, 1980 †
Plocezyga regularia (FOSSIL) Hoare & Sturgeon, 1980 †
Plocezyga serocorona (FOSSIL) Batten, 1985 †
Plocezyga subnodosa (FOSSIL) Hoare & Sturgeon, 1980 †
Plocezyga subquadrata (FOSSIL) Hoare & Sturgeon, 1980 †
Plocezyga tenuilirata (FOSSIL) Knight, 1930 †
Plocezyga tenuis (FOSSIL) Knight, 1930 †
Plocezyga turbinata (FOSSIL) Hoare & Sturgeon, 1980 †
Plocezyga varica (FOSSIL) Pan & Erwin, 2002 †
Plocezyga yunnanensis (FOSSIL) Pan & Erwin, 2002 †
Pseudoplocezyga propria (FOSSIL) Licharev, 1975 †
Pseudozygopleura acuminata (FOSSIL) Knight, 1930 †
Pseudozygopleura angustata (FOSSIL) Hoare & Sturgeon, 1985 †
Pseudozygopleura assertonsoris (FOSSIL) Knight, 1930 †
Pseudozygopleura baltea (FOSSIL) Hoare & Sturgeon, 1985 †
Pseudozygopleura belli (FOSSIL) Carew, 1980 †
Pseudozygopleura cirritus (FOSSIL) Hoare & Sturgeon, 1985 †
Pseudozygopleura condrai (FOSSIL) Knight, 1930 †
Pseudozygopleura conica (FOSSIL) Knight, 1930 †
Pseudozygopleura contractus (FOSSIL) Hoare & Sturgeon, 1981 †
Pseudozygopleura convexus (FOSSIL) Batten, 1985 †
Pseudozygopleura croneisi (FOSSIL) Knight, 1930 †
Pseudozygopleura cylindrata (FOSSIL) Knight 1930 †
Pseudozygopleura deloi (FOSSIL) Knight, 1930 †
Pseudozygopleura eucharis (FOSSIL) Hoare, 1961 †
Pseudozygopleura eximia (FOSSIL) Hoare & Sturgeon, 1985 †
Pseudozygopleura funis (FOSSIL) Knight, 1930 †
Pseudozygopleura girtyi (FOSSIL) Knight, 1930 †
Pseudozygopleura gracilis (FOSSIL) E.K. Yoo, 1994 †
Pseudozygopleura gradatus (FOSSIL) Hoare & Sturgeon, 1981 †
Pseudozygopleura granda (FOSSIL) (B.S. Kues & R.L. Batten,2001 †)
Pseudozygopleura hoarei (FOSSIL) A. Nützel, 1998 †
Pseudozygopleura irrugata (FOSSIL) Hoare & Sturgeon, 1985 †
Pseudozygopleura kellettae (FOSSIL) Knight, 1930 †
Pseudozygopleura knighti (FOSSIL) (E.L. Yochelson, 1962 †)
Pseudozygopleura lanceolatus (FOSSIL) Hoare & Sturgeon, 1981 †